NHTSA Campaign 00V232009

SERVICE BRAKES, AIR:ANTILOCK

Issued by MACK TRUCKS, INCORPORATED · Reported Sep 13, 2000 · 651 vehicles affected

What's wrong

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.

Consequence

THIS CONDITION COULD CAUSE THE ABS ECU TO EXHAUST THE AIR AT THE AIR BRAKE MODULATORS FOR ONE OR MORE OF THE WHEELS. THIS COULD RESULT IN EXTENDED BRAKING DISTANCES AND A POSSIBLE CRASH.

Remedy

DEALERS WILL REPLACE THE ABS ECU.

Vehicles affected by this recall

Make Model Year Units
MACK CH 1998 651
MACK CH 1999 651
MACK CH 2000 651
MACK DM 1998 651
MACK DM 1999 651
MACK DM 2000 651
MACK LE 1998 651
MACK LE 1999 651
MACK LE 2000 651
MACK MR 1998 651
MACK MR 1999 651
MACK MR 2000 651

Source: NHTSA Campaign 00V232009 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.